Commitments and Contingencies - Additional Information (Details) Kč in Millions										1 Months Ended	12 Months Ended			69 Months Ended
	Jan. 16, 2024 USD ($)	Sep. 30, 2023 multiplier	Jan. 19, 2023 USD ($)	Jan. 04, 2023 USD ($)	May 02, 2022 USD ($) coinventor patent numberOfClaim	Feb. 28, 2022 USD ($)	Jun. 08, 2021 USD ($)	May 24, 2021 USD ($)	May 13, 2021 USD ($)	Jan. 31, 2014 USD ($)	Mar. 29, 2024 USD ($) lawsuit	Mar. 31, 2023 USD ($)	Apr. 01, 2022 USD ($)	Sep. 30, 2012 USD ($)	Jan. 31, 2023 USD ($)	Feb. 27, 2020 CZK (Kč)
Loss Contingencies [Line Items]
Loss contingency, number of patent, claim					6						3
Litigation settlement payment				$ 12,000,000			$ 70,000,000	$ 70,000,000
Number of coinventors | coinventor					2
Estimated loss (low end) | Kč																Kč 351
Loss contingency, insurance recoveries							$ 67,000,000
Net revenues											$ 3,812,000,000	$ 3,338,000,000	$ 2,796,000,000
U.S.
Loss Contingencies [Line Items]
Loss contingency, damages awarded, value	$ 53,000,000		$ 1,300,000
Net revenues											$ 2,270,000,000	$ 2,071,000,000	$ 1,834,000,000
California
Loss Contingencies [Line Items]
Loss contingency, damages awarded, value			$ 400,000
322 Patents Remained in Suit
Loss Contingencies [Line Items]
Loss contingency, pending claims, number | numberOfClaim					2
115 Patents Remained in Suit
Loss Contingencies [Line Items]
Loss contingency, pending claims, number | numberOfClaim					3
Trustees of the University of Columbia in the City of New York v. NortonLifeLock
Loss Contingencies [Line Items]
Litigation settlement payment					$ 185,000,000
Loss contingency, damages awarded, value					0
Multiplier | multiplier		2.6
Estimated loss (low end)					$ 583,000,000										$ 53,000,000
GSA Schedule Contract
Loss Contingencies [Line Items]
Litigation settlement payment						$ 5,000,000			$ 500,000
Net revenues														$ 222,000,000
Estimated damage										$ 145,000,000
GSA Schedule Contract | Minimum
Loss Contingencies [Line Items]
Estimated litigation payment as times of actual damages proven															1
GSA Schedule Contract | Maximum
Loss Contingencies [Line Items]
Estimated litigation payment as times of actual damages proven															3